<template>
  <el-dialog
    :title="showTitle"
    :visible="showDialog"
    @close="btnCancel"
  >
    <el-form
      ref="deptForm"
      label-width="120px"
      :model="formData"
      :rules="rules"
    >
      <el-form-item
        label="部门名称"
        prop="name"
      >
        <el-input
          v-model="formData.name"
          style="width:80%"
          placeholder="1~50个字符"
        />
      </el-form-item>
      <el-form-item
        label="部门编码"
        prop="code"
      >
        <el-input
          v-model="formData.code"
          style="width:80%"
          placeholder="1~50个字符"
        />
      </el-form-item>
      <el-form-item
        label="部门负责人"
        prop="manager"
      >
        <el-select
          v-model="formData.manager"
          style="width:80%"
          placeholder="请选择"
          @focus="getEmployeeSimple"
        >
          <el-option
            v-for="item in peoples"
            :key="item.id"
            :label="item.username"
            :value="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item
        label="部门介绍"
        prop="introduce"
      >
        <el-input
          v-model="formData.introduce"
          style="width:80%"
          placeholder="1~300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
    </el-form>
    <el-row
      slot="footer"
      type="flex"
      justify="center"
    >
      <el-col :span="6">
        <el-button
          size="medium"
          @click="btnCancel"
        >取消</el-button>
        <el-button
          size="medium"
          type="primary"
          @click="btnOK"
        >确定</el-button>
      </el-col>
    </el-row>
  </el-dialog>
</template>

<script>
import { getDepartments, addDepartments, getDepartDetail, updateDepartments } from '@/api/departments'
import { getEmployeeSimple } from '@/api/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    treeNode: {
      type: Object,
      default: () => { }
    }
  },
  data () {
    const checkNameRepeat = async (rule, value, callback) => {
      let isRepeat = false
      const { depts } = await getDepartments()
      if (this.formData.id) {
        isRepeat = depts.filter(item => item.pid === this.treeNode.pid && item.id !== this.treeNode.id).some(item => item.name === value)
      } else {
        isRepeat = depts.filter(item => item.pid === this.treeNode.id).some(item => item.name === value)
      }
      isRepeat ? callback(new Error(`同级部门下已经有 "${value}" 这个部门了！`)) : callback()
    }
    const checkCodeRepeat = async (rule, value, callback) => {
      let isRepeat = false
      const { depts } = await getDepartments()
      // console.log(depts)
      if (this.formData.id) {
        isRepeat = depts.filter(item => item.id !== this.treeNode.id).some(item => item.code === value)
      } else {
        isRepeat = depts.some(item => item.code === value && value)
      }
      isRepeat ? callback(new Error(`组织架构下已经有 "${value}" 这个编码了！`)) : callback()
    }
    return {
      formData: {
        name: '', // 部门名称
        code: '', // 部门编号
        manager: '', // 部门负责人
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1~50个字符！', trigger: 'blur' },
          { validator: checkNameRepeat, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1~50个字符！', trigger: 'blur' },
          { validator: checkCodeRepeat, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空，请选择！', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1~300个字符！', trigger: 'blur' }
        ]
      },
      peoples: []
    }
  },
  computed: {
    showTitle () {
      return this.formData.id ? '编辑部门' : '新增子部门'
    }
  },
  methods: {
    async getEmployeeSimple () {
      this.peoples = await getEmployeeSimple()
    },
    async getDepartDetail (id) {
      this.formData = await getDepartDetail(id)
    },
    btnOK () {
      this.$refs.deptForm.validate(async isOK => {
        if (isOK) {
          if (this.formData.id) {
            await updateDepartments(this.formData)
          } else {
            await addDepartments({ ...this.formData, pid: this.treeNode.id })
          }
          this.$emit('addDepts')
          this.$emit('update:showDialog', false)
        }
      })
    },
    btnCancel () {
      this.formData = {
        name: '', // 部门名称
        code: '', // 部门编号
        manager: '', // 部门负责人
        introduce: '' // 部门介绍
      }
      this.$refs.deptForm.resetFields()
      this.$emit('update:showDialog', false)
    }
  }
}
</script>

<style>
</style>
